Tough, amiable, and business savvy, the people of Nepal's Khumbu region have gotten rich from high-altitude tourism, shepherding trekkers through their homeland step by tortuous step. Now some wonder if their success has come at too high a price.

Jurassic Park for the attention of Temba and his mother, Ang Dooli, of Khunde. "There's less talk among family members," says Temba's brother, Ang Rita. "But there's no entertainment here except ceremonies and festivals. TV helps people pass the time."]]>